Changing default of openshift_logging_public_master_url to use opensh…

[ewolinetz]

…ift_master_cluster_public_hostname if available

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1547944

Leaving openshift.common.public_hostname as there isn't a openshift.master.public_hostname always.

[jcantrill]

/retest

[ewolinetz]

/retest

[ewolinetz]

/test install

[sdodson]

/lgtm

[openshift-merge-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[openshift-merge-robot]

Automatic merge from submit-queue.

[openshift-ci-robot]

@ewolinetz: The following tests failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/openshift-jenkins/system-containers	3349f8c	link	/test system-containers
ci/openshift-jenkins/extended_conformance_install_crio	3349f8c	link	/test crio

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[ewolinetz]

/cherrypick release-3.7

[openshift-cherrypick-robot]

@ewolinetz: new pull request created: #7279

In response to this:

/cherrypick release-3.7

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.